muck-a-muck — People in charge, decision makers. ► “The expression is still often heard as ‘high muck a muck’ because of its probable derivation from Chinook [Native American] jargon, hiu (plenty) muckamuck (food); hence, one who has plenty to eat, or a man… … American business jargon

muck-a-muck — (MUK ah muk) [Chinook jargon: plenty to eat] In slang, when preceded by the word “high ,” an important or high ranking person with an arrogant or officious manner … Dictionary of foreign words and phrases